11/6 Direct Variation Practice Word problems

A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. Find the amount of pay for 31 hours of work.

• $3813

• $190.65

• $4.96

• $620

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The number of kilograms of water in a person’s body varies directly as the person’s mass. A person with a mass of 90 kg contains 60 kg of water. How many kilograms of water are in a person whose mass is 75 kg?

• 50 kg water

• 72 kg water

• 150 kg water

• 94 kg water

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The interest received on a savings account varies directly with the amount deposited. Daniel received $55.35 in interest on $1230 he deposited. How much interest would Daniel have received if he had deposited $2000 into his account?

• 44,444.44

• 90.00

• 1,285.35

• 34.04

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The number of pages that Hayden can read varies directly with the time spent reading.

If he reads 12 pages in 4 minutes, how many pages can he read in 17 minutes?

• 60 pages

• 51 pages

• 47 pages

• 75 pages

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The number of miles Jim runs is directly proportional to the time spent running.

If he runs 6 miles in 46.8 minutes, how long will it take him to run 13.1 miles?

• 92.35 minutes

• 7.8 minutes

• 150.67 minutes

• 102.18 minutes

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

If 8 oranges cost $ 10.40, how many oranges can be bought for $ 33.80?

• 21

• 23

• 25

• 26

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

If a man earns $ 805 per week, in how many days he will earn $ 1840?

• 7

• 16

• 19

• 23

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

If car covers 102 km in 6.8 litres of petrol, how much distance will it cover in 24.2 litres of petrol?

• 363

• 330

• 375

• 396

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3